Two samples of carbon crystals, which are clear and give off a kaleidoscope of spectral colours under direct sunlight, may appear to be identical. However, one is a billion years old, and the other is ...

Buying a diamond is an emotional moment. Whether it’s for an engagement ring, a Diwali gift, or simply a treat-yourself purchase, that sparkling stone holds meaning far beyond its carats. But here’s ...

Nearly half of engagement ring center stones (46%) sold in 2023 were lab-grown, according to a survey by The Knot. 1 Buyers ...